Standing seven feet tall on his hind legs and measuring 40 inches from paw to shoulder, Rocko, a Great Dane is contending for a place in the Guinness Book of Records as the ‘World’s Tallest Living Dog.’

The Great Dane who weighs 167 pounds and is almost the size of a pony belongs to Nick Helms and Jessica Williams from Reno, Nevada in the United States.

PHOTO: John Chapple/DailyMail

“We had no idea he was going to be this freakishly large, he was bigger than his sisters at eight weeks but we knew that males were usually bigger so we thought it was normal,” Jessica said while speaking to the Daily Mail.